Re: [DML] Permanate addition to engine block; where to tap a new hole?

["Dave Sontos" <dsontos@xxxxxxxxxxx>]

Another option is to burn it out with a disintegration machine(aka spark
erosion service). My father used to do this to remove broken taps in his
tool & die business. This is a special machine so you would need to find a
machine shop that has one. The unique feature is that there is less chance
of screwing up the hole.

Dave Sontos

----- Original Message ----- 
From: "David Teitelbaum" <jtrealty@xxxxxxxxxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Monday, February 23, 2004 10:33 AM
Subject: Re: [DML] Permanate addition to engine block; where to tap a new
hole?


> There are only a couple of options to remove the broken bolt AND
> extractor. You can try drilling with a cobalt bit. You can remove the
> part and replace it. You can remove the part and take it to a machine
> shop where they can try to remove it in a milling machine (a kind of
> extra-heavy duty drill press).





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